10000mAh 2-in-1 Hand Warmer Power Bank

With excellent ergonomic design, it is a nice size to hold in hand and portable to put it in your pocket. Smooth and double-sided warm surface, gives you warm in cold winter. Equip with 10000mAh Polymer Lithium rechargeable Battery, which makes the device maximum energy and lightweight. This long lasting and durable hand warmer can provides up to 12 hours heat. And can be used as a phone charger to charge your electronic device at any time. This heater is made of Aviation Aluminum Alloy, Environmental ABS, Polymer Lithium Battery. 3s quickly heat up.